US Bridges

T-437; Zarger RD over I-81; SR 0081

Fair

Franklin County, Pennsylvania · 2.5 Mi.N.Of Greencastle · Structure no. 000000000017369

Built
1963
62 years old, rebuilt 2009
Condition
Fair
inspected February 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
221 ft
4 main spans
Daily traffic
641
2024 count
Owner
State
State Highway Agency

About this bridge

T-437; Zarger RD over I-81; SR 0081 is a prestressed concrete box beam or girders - multiple carrying T-437; Zarger RD over I-81; SR 0081 in Franklin County, Pennsylvania. It was built in 1963 and reconstructed in 2009, so it is 62 years old, older than the Pennsylvania average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 641 vehicles a day, roughly 8% of them trucks, projected to reach 619 by 2032. The structure is 221 ft (67.4 m) long and 33 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

Location

Open in Google Maps
CarriesT-437; Zarger RD
CrossesI-81; SR 0081
Location2.5 Mi.N.Of Greencastle
RouteState Highway 0
CountyFranklin County
StatePennsylvania
Coordinates39.81667, -77.70333
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating69 US tons
Inventory rating30 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length221 ft (67.4 m)
Longest span72 ft (21.9 m)
Deck width33 ft (10.2 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic641 (2024)
Projected traffic619 by 2032
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed11.8 mi (19 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$550,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was T-437; Zarger RD over I-81; SR 0081 built?

It was built in 1963, making it 62 years old in 2025. It was reconstructed in 2009.

What condition is T-437; Zarger RD over I-81; SR 0081 in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in February 2024.

How much traffic does T-437; Zarger RD over I-81; SR 0081 carry?

About 641 vehicles per day (2024 count), of which roughly 8% are trucks.

How long is T-437; Zarger RD over I-81; SR 0081?

The structure is 221 ft (67.4 m) long with a longest span of 72 ft (21.9 m) and a deck 33 ft wide.

Who owns T-437; Zarger RD over I-81; SR 0081?

It is owned by the State Highway Agency.